766252247 has 2 divisors, whose sum is σ = 766252248. Its totient is φ = 766252246.

The previous prime is 766252241. The next prime is 766252259. The reversal of 766252247 is 742252667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766252247 - 2¹⁴ = 766235863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766252241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383126123 + 383126124.

It is an arithmetic number, because the mean of its divisors is an integer number (383126124).

Almost surely, 2^766252247 is an apocalyptic number.

766252247 is a deficient number, since it is larger than the sum of its proper divisors (1).

766252247 is an equidigital number, since it uses as much as digits as its factorization.

766252247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 766252247 is about 27681.2616583854. The cubic root of 766252247 is about 915.0761866350.

The spelling of 766252247 in words is "seven hundred sixty-six million, two hundred fifty-two thousand, two hundred forty-seven".